BOX Four Prime 9 Derailleur(8spd) Wide Cage - Black

$68.99 Sale Save



Item is in stock Only 0 left in stock Item is out of stock Item is unavailable

BOX Four Rear Derailleur - 8-Speed Medium Cage Black. The BOX Four Rear Derailleur is an affordable clutch-based 1x8-speed derailleur that is both simple and lightweight.
  • Engineered with BOX's "8 is Enough" drivetrain philosophy
  • Compatible with standard derailleur hanges (non-direct mount)
  • Limited Slip Clutch
  • Bearing pulleys
  • Nylon composite knuckle
  • Direct channel cable stay
  • Die-cast linkages
  • Stamped inner and outer cage
    Cage Length Medium
    Chain Wrap Capacity (teeth) 31
    Color Black
    Designed for ebike Yes
    Drivetrain Speeds 8
    Largest Cog 42
    Rear Der/Shifter Compatibility BOX 8-Speed
    Rear Derailleur Mount Type 10x1 Standard


    30 day easy returns on all orders

    Fast shipping

    We know you need your parts fast, so we've got your back.

    Dedicated support

    We have real humans ready to help you find the right part, the first time.